36C26119B0018-003.pdf

VETERANS AFFAIRS

PALO ALTO HEALTH CARE SYSTEM

PROJECT 640-19-912

REPLACE ROOFS ON

BUILDINGS 6T2 AND 7

VETERANS AFFAIRS

PALO ALTO HEALTH CARE SYSTEM

PROJECT 640-19-912

REPLACE ROOFS ON

BUILDINGS 6T2 AND 7

Rebuild Elevators, Buildings 100 and 101 640-19-100 Palo Alto Campus, VA Palo Alto Health Care System Final Bid Document

11/30/2018

Project No. 640-19-912

Department of Veterans Affairs Replace Roofs Buildings 7 and 6T2, Child Care Center

VA Palo Alto Health Care System (VAPAHCS) Palo Alto (PAD)

California

TABLE OF CONTENTS

Section 00 01 10

DIVISION 0 - SPECIAL SECTIONS

00 01 15 List of Drawing Sheets

DIVISION 1 - GENERAL REQUIREMENTS

01 00 00 General Requirements 01 32 16.15 Project Schedule 01 33 24 Shop Drawings, Product Data and Samples 01 35 26 Safety Requirements 01 57 19 Temporary Environmental Controls 01 74 19 Construction Waste Management

DIVISION 2 – EXISTING CONDITIONS

02 41 00 Selective Demolition

DIVISION 6 – WOOD AND PLASTIC

06 10 00 Rough Carpentry

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

07 01 50 19 Preparation For Re Roofing 07 22 00 Roof and Deck Insulation 07 54 23 TPO Roof 07 60 00 Flashing and Sheet Metal 07 71 00 Roof Specialties 07 81 00 Applied Fire Proofing 07 84 00 Fire Stipping 07 92 00 Joint Sealants

Replace Roofs Buildings 7 and Child Care Center 640-19-912

SECTION 00 01 15

LIST OF DRAWING SHEETS

The drawings listed below accompanying this specification form a part of the contract.

Drawing No. Title

Exhibit 1 – Roof Layout Building 7, Section A

Exhibit 2 – Roof Layout Building 7, Section B

Exhibit 3 – Roof layout Building 6T2, Child Care Center

Exhibit 4 – Detail Building 6T2 01

Exhibit 5 – Detail Building 6T2 02

Exhibit 6 – Detail Building 6T2 03

Exhibit 7 – Detail Building 6T2 04

Exhibit 8 – Detail Building 6T2 05

Exhibit 9 – Detail Building 6T2 06

Exhibit 10 - Detail Building 6T2 07

Exhibit 11 – Detail Building 7, Section B, Existing Roof 01

Exhibit 12 – Detail Building 7, Section B, Existing Roof 02

Exhibit 13 – Detail Building 7, Section B, Existing Roof 03

Exhibit 14 – Detail Building 7, Section B, Existing Roof 04

Exhibit 15 – Detail Building 7, Section B, Existing Roof 05

Exhibit 16 – Detail Building 7, Section B, Existing Roof 06

Exhibit 17 – Detail Building 7, Section B, Existing Roof 07

Exhibit 18 – Detail Building 7, Section B, Existing Roof 08

Exhibit 19 – Detail Building 7, Section B, Existing Roof 09

Exhibit 20 – Detail Building 7, Section a, Existing Roof 01

Exhibit 21 – Detail Building 7, Section a, Existing Roof 02

Exhibit 22 – Detail Building 7, Section a, Existing Roof 03

Exhibit 23 – Detail Building 7, Section a, Existing Roof 04

Exhibit 24 – As Built Building 7, 01

Exhibit 25 – As Built Building 7, 02

Exhibit 26 – Building 7, 1987 Roof Replacement 7-5 01

Exhibit 27 – Building 7, 1987 Roof Replacement 7-13 02

Exhibit 28 – Building 7, 1987 Roof Replacement 7-14 03

Exhibit 29 – Building 7, 1987 Roof Replacement 7-15 04

Exhibit 30 – Building 7, 1987 Roof Replacement 7-17 05

Exhibit 31 – Building 7, 1987 Roof Replacement 7-18 06

SECTION 01 00 00

GENERAL REQUIREMENTS

1.1 GENERAL INTENTION

A. Contractor shall completely prepare site for construction operations, and furnish all labor, equipment and materials and perform work for the project, as required by the drawings and specifications.

B. Visits to the VA Campus site by Bidders may be made only by appointment with the Contracting Officer’s Representative.

C. NOT USED

D. Before placement and installation of work subject to tests by a testing laboratory, the Contractor shall notify the Contracting Officer’s

Representative in sufficient time to enable VA personnel to be present at the time for adequate oversight of the taking and testing of specimens and field activities. Such prior notice shall be not less than five work days unless otherwise designated by the Contracting Officer’s Representative.

E. All employees of the Contractor and subcontractors shall comply with the

VA security management program and obtain permission for site entry from the VA police, be identified by project and employer, and be restricted from unauthorized access.

F. The Contracting Officer’s Representative will assign specific routes and times for pathways, corridors and elevators for transportation of personnel, materials and equipment. The Contractor will continually clean-up any dust, dirt or debris caused by their jobsite ingress/egress.

G. Dust and fume control will be exercised during all construction operations. Workers will be careful not to operate any vehicles, gas or diesel engines, or to perform any fume or dust generating process near a building air intake system. Noise will be held to a minimum at all times.

Jack-hammering, core drilling and other noisy or disturbing operations may have to be rescheduled or accomplished after hours to avoid interfering with surgery or patient care services.

1.2 STATEMENT OF BID ITEM(S)

A. ITEM I, GENERAL CONSTRUCTION:

On Building 7, 1) Section A, as described in Exhibit A, and 2) Section B, as described in Exhibit B, 3) building T-6B, the Child Care Center, the entire roof.

1. Remove all roofing material down to the roof substrate. Remove unused curbs and vents, other protruding devices and pitch pockets supporting ladders and HVAC Equipment.

a. Roof of Building 7, Section A is a built up roof with gravel on a light weight concrete substrate. The size of this work area is approximately 61 roofing squares. (1 Roofing Square = 100 Square feet). This roof was last replaced in either 1986 or 1987.

b. Roof of Building 7, Section B Is a two or three ply glue down roll installation on a light weight concrete substrate. The size of this work area is approximately 90 roofing squares. This roof was replaced in either 1986 or 1987.

c. The Child Care Center is a roll down installation of one or two layers over a plywood substrate on a modular building. The building is 25 years old and this is the original roof installation. The roof is constructed at an angle for drainage.

2. At the location of any curb, vent or other protruding device removed, build a substrate suitable to withstand the rood design loads.

Replacement substrate shall be flush with the surrounding roof substrate.

3. Rebuild roof drains to make them suitable to the manufacturers TPO roof system.

4. Repair any Vent To Roof (VTR) requiring repair.

5. On building 7, replace up to 20 lineal feet of copper parapet flashing if required to be replaced. Re solder any copper flashing joint that has or is separating. Replace missing and if required add, flashing fasteners.

6. On building T-6B replace up to 128 Square Foot of plywood substrate.

7. a. On building 7, Sections A and B:

Install a minimum or 3” of insulation. Add insulation as needed to slant the TPO roof material for proper drainage.

b. On the Child Care Center:

Install 3” of insulation.

Install new aluminum cap flashing on parapets.

Install curb under split system HVAC unit.

Install HVAC lines and tubing through fittings designed for this purpose.

8. Install TPO roofing system as per manufacturers specification on all three roofs.

9. In place of pitch pockets under ladder legs and HVAC supports install

TPO’s manufacturers equivalent devices.

10. All flashing, VTR and other protruding devise shall be sealed as per the TPO manufacturers requirements.

11. Provide and install minimum 30 inches wide walkway pads suitable for

TPO Roofing systems at all access points (Ladders, hatches, doorways, and around the rooftop equipment

12. The Notice To Proceed, NTP, will not be issued until the COR has determined that rainy weather has concluded for the season.

13. Work hours: Building 7 work shall be from 8 am until 5 pm weekdays.

Work on the Child Care Center shall be from 8 am until 5 pm weekends.

There will be no work on Federal holidays.

B: OTHER REQUIREMENTS:

1. The contractor shall provide a manufacturer’s 20 year warranty on the final installed roof.

2. All TPO roof installers shall be certified by the manufacture in the installation of the roof material. All TPO installers must have at a minimum 3 year’s experience installing manufacturers

TPO system. All labors and apprentices involved in the roof and

TPO installation must be under the direct supervision of the manufacturers certified installers.

Submit factory certifications for review for compliance with contract requirements in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES 15 calendar days prior to the date of the preconstruction conference for acceptance.

3. All work on Building T-6B shall be performed on weekends between 8 am and 5 pm. Inside access will only be available by special arrangement with the COR.

C: ADDITIVE EXTRA:

1. Replace approximately 32 roofing squares adjacent to Building 7, Section B. All conditions and requirements are the same as Section B.

1.3 SPECIFICATIONS AND DRAWINGS

A. After award of contract, specifications and drawings will be available for download from a link provided by the Contracting Officer’s Representative

B. The Contractor shall maintain on the job site one (1) printed set of specifications, one (1) printed set of drawings, one (1) printed copy of all RFI’s and any documents that modify the original specifications and drawings.

1.4 AS-BUILT DRAWINGS

A. The contractor shall maintain one D size or larger set of as-built drawings which will be kept current during construction of the project, to include all contract changes, modifications and clarifications.

B. All variations shall be shown in the same general detail as used in the contract drawings. To insure compliance, as-built drawings shall be made available for the Contracting Officer’s Representative’s review as often as requested.

C. The contractor shall deliver two approved completed sets of as-built drawings to the Contracting Officer’s Representative within 15 calendar days after each completed phase and after acceptance of the project by the

Contracting Officer’s Representative.

D. The contractor shall provide all final as-built drawings prepared in

ACADD. A CD and two hard copy sets of drawings shall be submitted to the

Contracting Officers Representative. All changes, modifications and clarifications shall be noted as such and in a larger fonts size.

E. Submit as-built drawings in accordance with Section 01 33 23, SHOP

DRAWINGS, PRODUCT DATA AND SAMPLES prior to request for final payment.

1.5 ACCIDENT PREVENTION

A. Refer to 01 35 26 Safety Requirements Section 1.04

B. Whenever the Contracting Officer becomes aware of any noncompliance with safety requirements or any condition which poses a serious or imminent danger to the health or safety of personnel, the Contracting Officer shall notify the Contractor orally, with written confirmation, and request immediate initiation of corrective action. After receiving the notice, the

Contractor shall immediately take corrective action. If the Contractor fails or refuses to promptly take corrective action, the Contracting

Officer may issue an order stopping all or part of the work until satisfactory corrective action has been taken. The Contractor shall not be entitled to any equitable adjustment of the contract price or extension of the performance schedule on any stop work order issued under this clause.

C. The Contractor shall insert the above clause with appropriate changes in the designation of the parties in subcontracts.

1.6 Training

A. Refer to 01 35 26 Safety Requirements Section 1.04

1.7 INFECTION PREVENTION MEASURES (DUST CONTROL)

A. Refer to 01 35 26 Safety Requirements Section 1.12.

B. Implement the requirements of VA’s Infection Control Risk Assessment

(ICRA) team. ICRA Group may monitor dust in the vicinity of the construction work and require the Contractor to take corrective action immediately if safe levels are exceeded.

B. Establish and maintain a dust control program as part of the Contractor’s infection preventive measures. Prior to start of work, prepare a plan detailing project-specific dust protection measures, including periodic status reports, and submit to Contracting Officer’s Representative and

Facility ICRA team for review for compliance with contract requirements.

1.8 TB TESTING

A. All employees of the contractor and or sub-contractor who work in a patient care building shall be tested for TB. This contract has work elements inside of a patient care building.

B. TB test shall be administered within 90 days of the NTP. If the TB test becomes outdated because the NTP is delayed, new testing shall be required at no additional cost to the government.

C. Any employee that is assigned to the work site after the NTP is issued must be tested for TB and the test results submitted to the COR before the new employee may enter the jobsite.

D. Test results must be submitted to the Contracting Officers Representative prior to the employee’s arrival on site to work.

E. If the contract is for 365 days or more or the contract is extended beyond

365 days, retesting is required before the 365 days have ended.

F. Employees who test positive for TB will not be allowed onto the hospital work site.

G. Submit for review for compliance with contract requirements in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES 15 calendar days prior to the date of the preconstruction conference for acceptance.

Work cannot proceed without proof of employee’s being tested for TB.

1.9 FIRE SAFETY

A. Refer to 01 35 26 Safety Requirements Section 1.13

B. When work requires removal of any ceiling tiles for more than 4 hours in a

24-hour period in areas protected by a fire sprinkler system where the sprinkler heads are made less effective by space above the ceiling exceeding 18 inches, temporary provision shall be made for supplemental heat detectors with annunciation capability to the building/campus fire alarm system. Programmed wireless heat detector sensors (Honeywell #5809 or equal) with associated receiver (Honeywell #5881 or equal) and control panel (Honeywell Vista-20P or equal) are acceptable. Tie-in of the control panel to the building/campus fire alarm system will be made by the VA.

Fifteen (15) days advance notice shall be given to the VA for scheduling the tie-in.

C. Hot Work: Any welding, cutting metal or other burning or spark producing operations will require a hot work permit. Welding and/or burning operations are allowed only during normal working hours. Coordinate with

Contracting Officer’s Representative to obtain permits from the Facility

Safety Officer at least 24 hours in advance. Evidence of training of all personnel assigned to be a fire watch shall be provided before Hot Work

Permits will be issued. A fire watch is required for all hot work unless specified differently on the permit. The fire watch shall have fire extinguishing equipment readily available and be trained in its use and be familiar with facilities for sounding an alarm in the event of a fire.

They shall watch for fires in all exposed areas, try to extinguish then otherwise sound the alarm. A fire watch shall be maintained for at least

30 minutes after completion of hot work.

D. Dispose of waste and debris in accordance with NFPA 241. Remove from buildings daily. Waste and debris will not be disposed of on station or in

VA trash containers or dumpsters. The Contractor shall provide their own bin or dumpster, however, the use and location of such must be approved in writing by the Contracting Officer’s Representative. Construction waste and debris will not be accumulated in corridors or other building areas where it might cause a fire or safety hazard.

E. Smoke/fire Barrier Penetrations: Any penetrations to smoke or fire barrier walls, ceilings or floor slabs shall be properly sealed immediately with Hilti Fire Stop 601 or 635 for walls and ceilings and

Hilti Fire Stop 657 for floor penetrations or approved equal.

1.10 CONSTRUCTION SECURITY REQUIREMENTS

A. Security Plan:

1. The Security Plan defines both physical and administrative security procedures that will remain effective for the entire duration of the project. Submit for review for compliance with contract requirements in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES

15 calendar days prior to the date of the preconstruction conference for acceptance. Work cannot proceed without an accepted Security Plan.

2. The Contractor is responsible for assuring that all sub-Contractors working on the project and their employees also comply with these regulations.

B. Security Procedures:

1. Contractor and subcontractor employees shall not enter the project site without an appropriate badge. They will be subject to inspection of their personal effects when entering or leaving the project site.

2. The Contractor shall create an Employee Daily Log of all personnel working on the site. The Employee Daily Log shall contain the employee’s (a) Full Name, (b) Employer/Company Name and (c)

Occupation/Trade. The Employee Daily Log shall be submitted with the

Contractor’s Daily Work Report.

3. All work on the contract shall be performed between 7:00 am and 5:00 pm

Monday through Friday, excluding National Holidays, unless approved in writing by the Contracting Officer. For working outside the these hours, the Contractor shall give two weeks’ notice to the Contracting

Officer’s Representative so that oversight, security and escort arrangements can be provided for the employees. This notice is separate from any notices required for utility shutdown described later in this specification.

4. No photography of VA premises is allowed without written permission of the VA Public Affairs Officer. Submit request to the Contracting

Officer’s Representative.

5. The VA Police are Federal Police Officers with full authority to make arrests, investigate crimes and issue traffic citations. Citations issued require an appearance in the Federal District Court and/or payment of a fine. Speed limits and other driving and parking codes are strictly enforced. Any vehicle left unattended for more than a few minutes may be cited by the VA Police.

6. Sexual harassment is strictly prohibited. This includes deliberate or unsolicited verbal comments or gestures of a sexual nature, unwelcome sexual advances, requests for sexual favors and/or other unwelcome verbal or physical conduct of a sexual nature.

7. Possession or use of non-prescription drugs or alcohol, including beer and wine, on the Health Care System grounds is strictly prohibited.

Possession of firearms, knives with blades over 4”, ammunition, explosive devices and any item that may be considered an offensive weapon is strictly prohibited. This includes carrying such items in vehicles.

8. The Health Care System does not have the equipment, facilities, or personnel trained to handle serious injuries. Call 911 for emergency medical assistance and notify the Contracting Officer’s Representative and the VA Police.

9. Vehicle authorization requests shall be required for any vehicle entering the site and such requests shall be submitted 24 hours before the date and time of access. Access shall be restricted to picking up and dropping off materials and supplies. Separate permits shall be issued for Contractor and subcontractor employees for parking in designated areas only.

10. VA reserves the right to shut down the project site and order

Contractor’s employees and subcontractors off the premises in the event of a national emergency or local disaster. The Contractor may return to the site only with the written approval of the Contracting Officer’s

Representative.

C. Guards: NOT USED

D. Key Control:

1. NOT USED

E. Document Control:

1. NOT USED

1.11 BUILDING CODES APPLICABLE TO THIS CONTRACT

A. International Building Code, 2018 Edition

B. NFPA 70 Electrical Code, 2017 Edition

C. NFPA 101 Life Safety Code, 2018 Edition

D. NFPA 99 Health Care Facilities, 2018 Edition

E. International Mechanical Code, 2018 Edition

1.12 OPERATIONS AND STORAGE AREAS

A. The Contractor shall confine all operations (including storage of materials) on Government premises to areas authorized or approved by the

Contracting Officer’s Representative. The Contractor shall hold and save the Government, its officers and agents, free and harmless from liability of any nature occasioned by the Contractor's performance.

B. Temporary buildings (e.g., storage sheds, shops, offices) and utilities may be erected by the Contractor only with the approval of the Contracting

Officer’s Representative and shall be built with labor and materials furnished by the Contractor without expense to the Government. The temporary buildings and utilities shall remain the property of the

Contractor and shall be removed by the Contractor at their expense upon completion of the work. With the written consent of the Contracting

Officer’s Representative, the buildings and utilities may be abandoned and need not be removed.

C. The Contractor shall, as prescribed by the Contracting Officer’s

Representative, use only established roadways, or use temporary roadways constructed by the Contractor when and as authorized by the Contracting

Officer’s Representative. When materials are transported in prosecuting the work, vehicles shall not be loaded beyond the loading capacity recommended by the manufacturer of the vehicle or prescribed by any

Federal, State, or local law, code or regulation. When it is necessary to cross curbs or sidewalks, the Contractor shall protect them from damage.

The Contractor shall repair or pay for the repair of any damaged curbs, sidewalks, or roads.

D. Working space and space available for storing materials shall be as determined by the Contracting Officer’s Representative.

E. Workmen are subject to rules of the VA Campus applicable to their conduct.

F. Execute work so as to interfere as little as possible with normal functioning of the VA Campus as a whole, including operations of utility services, fire protection systems and any existing equipment, and with work being done by others.

1. Do not store materials and equipment in other than assigned areas.

2. Schedule delivery of materials and equipment to immediate construction working areas within buildings in use by the VA in quantities sufficient for not more than two work days. Provide unobstructed access to VA Campus areas required to remain in operation.

G. Utilities Services: Provide temporary facilities, labor, materials, equipment, connections, and utilities to assure uninterrupted services.

Where necessary to cut existing pipes, electrical wires, conduits, cables, etc., of utility services, or of fire protection systems or communications systems, they shall be cut and capped at suitable places where shown; or, in absence of such indication, where directed by Contracting Officer’s

Representative. All such actions shall be coordinated with any Utility

Company involved:

H. Construction Fence: Before construction operations begin, Contractor shall provide a chain link construction fence, six-foot minimum height, around the construction area, material storage areas and dumpsters/waste locations. Contractor shall provide and maintain visual screening fabric for all fencing. Contractor shall provide gates as required for access with necessary hardware including hasps and locks. All locking systems must be able to accept a Best lock 7 pin core for VA access in addition to contractors locks. All gates shall be locked when no workers are present.

Contractor shall coordinate with the VA to assure VA access at any time.

Contractor shall remove the fence when directed by Contracting Officer’s

Representative.

The installation of any fence shall be with either weighted stands or posts driven into the ground as directed by the Contracting Officer’s

Representative.

I. Work areas will be vacated by Government and turned over to Contractor after date of Notice to Proceed and after all pre-construction activities have been completed and pre-construction submittals have been approved by the Contracting Officer’s Representative.

J. When a building is turned over to Contractor, Contractor shall accept entire responsibility therefore.

1. Contractor shall make arrangements for pre-inspection of site with Fire

Department (VA or municipal) whichever will be required to respond to an alarm from Contractor's employee or watchman.

K. Utilities Services: Maintain existing utility services for the VA Campus at all times.

1. No utility service such as water, gas, steam, sewers or electricity, or fire protection systems and communications systems may be interrupted without prior approval of Contracting Officer’s Representative.

Electrical work shall be accomplished with all affected circuits or equipment de-energized. When an electrical outage cannot be accomplished, work on any energized circuits or equipment shall not commence without the Contracting Officer’s Representative prior knowledge and written approval. Refer to specification Sections 26 05

11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS, 27 05 11 REQUIREMENTS

FOR COMMUNICATIONS INSTALLATIONS and 28 05 11, REQUIREMENTS FOR

ELECTRONIC SAFETY AND SECURITY INSTALLATIONS for additional requirements.

2. Contractor shall submit a request to interrupt any such services or systems to Contracting Officer’s Representative, in writing, four (4) weeks in advance of proposed interruption. Request shall state reason, date, exact time of, and approximate duration of such interruption.

Approved outage dates are not guaranteed and are subject to VA operational requirements.

3. Contractor will be advised (in writing) of approval of request, or of which other date and/or time such interruption will cause least inconvenience to operations of the VA. Interruption time approved by

Contracting Officer’s Representative may occur at other than

Contractor's normal working hours.

4. In case of a contract construction emergency, service will be interrupted on approval of Contracting Officer’s Representative. Such approval will be confirmed in writing as soon as practical.

5. Whenever it is required that a connection fee be paid to a public utility provider for new permanent service connection to the construction project, for such items as water, sewer, electricity or gas, payment of such fee shall be paid by the Contractor unless specifically relieved in writing by the Government.

L. Abandoned Lines: All service lines such as wires, cables, conduits, ducts, pipes and the like, and their hangers or supports, which are to be abandoned but are not required to be entirely removed, shall be sealed, capped or plugged. The lines shall not be capped in finished areas, but shall be removed and sealed, capped or plugged in ceilings, within furred spaces, in unfinished areas, or within walls or partitions; so that they are completely behind the finished surfaces.

M. To minimize interference of construction activities with flow of VA Campus traffic, comply with the following:

1. The Contractor shall not block any road or street, walkway or building egress without requesting approval from the Contracting Officer’s

Representative. Submit written request five workdays prior to proposed blockage. Keep roads, walks and entrances to grounds, to parking and to occupied areas of buildings clear of construction materials, debris and standing construction equipment and vehicles. Wherever excavation for new work crosses existing roads, at least one lane must be open to traffic at all times.

2. Method and scheduling of required cutting, altering and removal of existing roads, walks and entrances must be approved by the Contracting

Officer’s Representative.

N. Coordinate this contract with other construction operations as directed by

Contracting Officer’s Representative. This includes the scheduling of traffic and the use of roadways.

1.13 ALTERATIONS

A. Survey: Before any work is started, the Contractor shall make a thorough survey with the contracting Officer’s Representative, of the work areas in which alterations occur and areas which are anticipated routes of access, and furnish a signed report, to the Contracting Officer’s Representative.

This report shall list by rooms, spaces or area of the contacts work.

1. Existing condition and types of resilient flooring, doors, windows, walls and other surfaces not required to be altered throughout the affected areas of the building or work site.

2. Existence and conditions of items such as plumbing fixtures and accessories, electrical fixtures, equipment, venetian blinds, shades, etc., required by drawings or specifications to be either reused or relocated, or both.

3. Shall note any discrepancies between drawings and existing conditions at work site.

4. Shall designate areas for working space, materials storage and routes of access to areas within buildings where alterations occur and which have been agreed upon by the Contracting

Officer’s Representative.

B. Any items required by the drawings or specifications to be either reused or relocated or both, found during this survey to be nonexistent, or in the opinion of the Contracting Officer’s Representative to be in such condition that their use is impossible or impractical, shall be furnished and or replaced by the Contractor with new items in accordance with these specifications. Provided the contract is modified accordingly, under provisions of clauses “DIFFERING SITE CONDITIONS” (FAR 52.236-2) and

“CHANGES” (FAR 52.243-4 and VAAR 852.236-88).

C. Re-Survey: Thirty days before expected partial of final inspection date, the Contractor and Contracting Officer’s Representative together shall make a thorough re-survey of the areas of the buildings involved. They shall furnish a report on the conditions then existing, of resilient flooring, doors, windows, walls and surfaces as compared with the conditions of the same as noted the first conditions survey report.

D. Protection: Provide the following protective measures:

1. Wherever existing roof surfaces are disturbed they shall be protected against water infiltration. In case of leaks, they shall be repaired immediately upon discovery.

2. Temporary protection against damage for portions of existing structures and grounds where work is being done, materials handled and equipment moved and/or relocated.

3. Protection of interior of existing structures at all times, from damage, dust, and weather. Wherever work is performed, floor surfaces that remain in place shall be adequately protected prior to starting work, and this protection shall be maintained intact until all work in the area is completed.

1.14 DISPOSAL AND RETENTION

A. Materials and equipment accruing from work removed from demolition of buildings or structures, or parts thereof, shall be disposed of as follows:

1. Reserved items which are to remain property of the Government are noted on drawings or in specifications as items to be stored. Items that remain property of the Government shall be removed from present locations in such a manner as to prevent damage. Store such items where directed by Contracting Officer’s Representative.

2. Items not reserved shall become property of the Contractor and be removed by Contractor.

3. Items of portable equipment and furnishings located in rooms and spaces in which work is to be done under this contract shall remain the property of the Government. When rooms and spaces are vacated by the VA during the alteration period, such items which are NOT required by drawings and specifications to be either relocated or reused will be removed by the Government in advance of work to avoid interfering with

Contractor's operation.

4. The Contractor is required to alert the VA immediately in the event any known or suspected hazardous materials are disturbed or will need to be disturbed before proceeding with work. Hazardous materials, such as

PCB’s, asbestos, lead paint, cleaning solutions and other harmful chemicals shall be disposed of in accordance with federal, state and local laws and regulations. In case of an accidental spill of hazardous materials, the Contractor shall take immediate action to contain the spill and notify the Contracting Officer’s Representative. Washing cement, plaster, paint, oil or grease, solvents, etc. into any drains is strictly prohibited. REPORT ANY ACCIDENTAL SPILLS THAT MAY RUN INTO

STORM DRAINS IMMEDIATELY TO ENGINEERING SERVICE AT EXTENSION 62468.

5. Contractor shall provide a monthly summary of construction and demolition debris diversion and disposal, quantifying all materials generated at the work site and disposed of or diverted from disposal through recycling per SECTION 01 74 19 CONSTRUCTION WASTE MANAGEMENT.

This report shall be submitter with any periodic request for payment.

The request for payment will be returned without this report.

1.15 PROTECTION OF EXISTING VEGETATION, STRUCTURES, EQUIPMENT, UTILITIES, AND

IMPROVEMENTS

A. The Contractor shall preserve and protect all structures, equipment and vegetation (such as trees, shrubs, and grass) on or adjacent to the work site, which are not to be removed and which do not unreasonably interfere with the work required under this contract. The Contractor shall only remove trees when specifically authorized to do so and shall avoid damaging vegetation that will remain in place. If any limbs or branches of trees are broken during contract performance, or by the careless operation of equipment, or by workmen, the Contractor shall trim those limbs or branches with a clean cut and paint the cut with a tree-pruning compound as directed by the Contracting Officer’s Representative.

B. The Contractor shall protect from damage all existing improvements and utilities at or near the work site and on adjacent property of a third party, the locations of which are made known to or should be known by the

Contractor. The Contractor shall repair any damage to those facilities, including those that are the property of a third party, resulting from failure to comply with the requirements of this contract or failure to exercise reasonable care in performing the work. If the Contractor fails or refuses to repair the damage promptly, the Contracting Officer’s

Representative may have the necessary work performed and charge the cost to the Contractor.

1.16 RESTORATION

A. Remove, cut, alter, replace, patch and repair existing work as necessary to install new work. Except as otherwise shown or specified, do not cut, alter or remove any structural work, and do not disturb any ducts, plumbing, steam, gas, or electric work without approval of the Contracting

Officer’s Representative. Existing work to be altered or extended and that which is found to be defective in any way, shall be reported to the

Contracting Officer’s Representative before it is disturbed. Materials and workmanship used in restoring work, shall conform in type and quality to that of original existing construction, except as otherwise shown or specified.

B. Upon completion of contract, deliver work complete and undamaged. Existing work (walls, ceilings, partitions, floors, mechanical and electrical work, lawns, paving, roads, walks, etc.) disturbed or removed as a result of performing required new work, shall be patched, repaired, reinstalled, or replaced with new work, and refinished and left in as good condition as existed before commencing work.

C. At Contractor's own expense, Contractor shall immediately restore to service and repair any damage caused by Contractor's workmen to existing piping and conduits, wires, cables, etc., of utility services or of fire protection systems and communications systems (including telephone, computer network, etc.) which are indicated on drawings or reasonably discovered during execution of the work and which are not scheduled for discontinuance or abandonment.

D. Expense of repairs to such utilities and systems not shown on drawings for which locations are unknown and not reasonably discovered will be considered for adjustment to contract time and price in accordance with clause entitled "CHANGES" (FAR 52.243-4 and VAAR 852.236-88) and

"DIFFERING SITE CONDITIONS" (FAR 52.236-2).

1.17 PHYSICAL DATA

A. Data and information (test borings, hydrographic data, test pits, weather conditions, etc.) furnished or referred to is for the Contractor's information. The Government shall not be responsible for any interpretation of or conclusion drawn from the data or information by the

Contractor. (FAR 52.236-4)

1.18 LAYOUT OF WORK

A. The Contractor shall lay out the work and shall be responsible for all measurements in connection with the layout. The Contractor shall furnish, at Contractor's own expense, all templates, equipment, tools, materials, and labor required to lay out any part of the work. The Contractor shall be responsible for executing the work to the lines that may be established or indicated by the Contracting Officer’s Representative. The Contractor shall also be responsible for maintaining and preserving all marks established by the Contracting Officer’s Representative until authorized to remove them. If such marks are destroyed by the Contractor or through

Contractor's negligence before their removal is authorized, the

Contracting Officer’s Representative may replace them and deduct the expense of the replacement from any amounts due or to become due to the

Contractor. (FAR 52.236-17)

1.19 USE OF ROADWAYS

A. For hauling, use only established public roads and roads on the VA Campus and, when authorized by the Contracting Officer’s Representative, such temporary roads which are necessary in the performance of contract work.

Temporary roads shall be constructed by the Contractor at Contractor's expense. When necessary to cross curbing, sidewalks, or similar construction, they must be protected by well-constructed transitions.

1.20 TEMPORARY USE OF MECHANICAL AND ELECTRICAL EQUIPMENT

A. Use of new installed mechanical and electrical equipment to provide heat, ventilation, plumbing, light and power will be permitted subject to compliance with the following provisions:

1. Permission to use each unit or system must be given by Contracting

Officer’s Representative. If the equipment is not installed and maintained in accordance with the following provisions, the Contracting

Officer’s Representative will withdraw permission for use of the equipment.

2. Electrical installations used by the equipment shall be completed in accordance with the drawings and specifications to prevent damage to the equipment and the electrical systems, i.e. transformers, relays, circuit breakers, fuses, conductors, motor controllers and their overload elements shall be properly sized, coordinated and adjusted.

Voltage supplied to each item of equipment shall be verified to be correct and it shall be determined that motors are not overloaded. The electrical equipment shall be thoroughly cleaned before use and again immediately before final inspection including vacuum cleaning and wiping clean interior and exterior surfaces.

3. Units shall be properly lubricated, balanced, and aligned. Vibrations must be eliminated.

4. Automatic temperature control systems for preheat coils shall function properly and all safety controls shall function to prevent coil freeze-up damage.

5. The air filtering system utilized shall be that which is designed for the system when complete, and all filter elements shall be replaced at completion of construction and prior to testing and balancing of system.

6. All components of heat production and distribution system, metering equipment, condensate returns, and other auxiliary facilities used in temporary service shall be cleaned prior to use; maintained to prevent corrosion internally and externally during use; and cleaned, maintained and inspected prior to acceptance by the Government. Boilers, pumps, feedwater heaters and auxiliary equipment must be operated as a complete system and be fully maintained by operating personnel. Boiler water must be given complete and continuous chemical treatment.

B. Prior to final inspection, the equipment or parts used which show wear and tear beyond normal, shall be replaced with identical replacements, at no additional cost to the Government.

C. This paragraph shall not reduce the requirements of the mechanical and electrical specifications sections.

1.21 TEMPORARY USE OF EXISTING ELEVATORS

A. Use of existing elevators for handling building materials and

Contractor's personnel will be permitted subject to following provisions:

1. Contractor makes all arrangements with the Contracting Officer’s

Representative for use of elevators. The Contracting Officer’s

Representative will ascertain that elevators are in proper condition.

Personnel for operating elevators will not be provided by the Department of Veterans Affairs.

2. Contractor covers and provides maximum protection of following elevator components:

a. Entrance jambs, heads soffits and threshold plates.

b. Entrance columns, canopy, return panels and inside surfaces of car enclosure walls.

c. Finish flooring.

3. Government will accept hoisting ropes of elevator and rope of each speed governor if they are worn under normal operation. However, if these ropes are damaged by action of foreign matter such as sand, lime, grit, stones, etc., during temporary use, they shall be removed and replaced by new hoisting ropes at the contractors expense.

4. If brake lining of elevators are excessively worn or damaged during temporary use, they shall be removed and replaced by new brake lining at the contractors expense.

5. All parts of main controller, starter, relay panel, selector, etc., worn or damaged during temporary use shall be removed and replaced with new parts at the contractors expense, if recommended by elevator inspector after elevator is released by Contractor.

6. Place elevator in condition equal, less normal wear, to that existing at time it was placed in service of Contractor as approved by

Contracting Officer.

1.22 TEMPORARY TOILETS

A. Provide where directed, (for use of all Contractor and subcontractor employees) ample temporary sanitary toilet accommodations with suitable sewer and water connections; or, when approved by Contracting Officer’s

Representative, provide suitable dry closets where directed. Keep such places clean and free from odor or flying insects, and all connections and appliances connected therewith are to be removed prior to completion of contract, and premises left perfectly clean.

1.23 AVAILABILITY AND USE OF UTILITY SERVICES

A. The Government shall make all reasonably required amounts of utilities available to the Contractor from existing outlets and supplies, as specified in the contract. If applicable, the amount to be paid by the

Contractor for chargeable electrical services shall be the prevailing rates charged to the Government. The Contractor shall carefully conserve any utilities furnished without charge.

B. The Contractor, at Contractor's expense and in a workmanlike manner satisfactory to the Contracting Officer’s Representative, shall install and maintain all necessary temporary connections and distribution lines, and all meters required to measure the amount of electricity used for the purpose of determining charges. Before final acceptance of the work by the

Government, the Contractor shall remove all the temporary connections, distribution lines, meters, and associated equipment.

C. Contractor shall install meters at Contractor's expense and furnish the

Contracting Officer’s Representative a monthly record of the Contractor's usage of electricity as required.

D. Heat: Furnish temporary heat necessary to prevent injury to work and materials through dampness and cold. Use of open salamanders or any temporary heating devices which may be fire hazards or may smoke and damage finished work, will not be permitted. Maintain minimum temperatures as specified for various materials:

E. Electricity (for Construction and Testing): Furnish all temporary electric services.

1. Obtain electricity by connecting to the VA Campus electrical distribution system. The Contractor shall meter and pay for electricity required for electric cranes and hoisting devices, electrical welding devices and any electrical heating devices providing temporary heat.

Electricity for all other uses is available at no cost to the

Contractor.

F. Water (for Construction and Testing): Furnish temporary water service.

1. Obtain water by connecting to the VA Campus water distribution system.

Provide reduced pressure backflow preventer at each connection. Water is available at no cost to the Contractor.

2. Maintain connections, pipe, fittings and fixtures and conserve water use so none is wasted. Failure to stop leakage or other wastes will be cause for revocation (at Contracting Officer’s Representative's discretion) of use of water from VA Campus system at no cost.

G. Fuel: Natural and LP gas and burner fuel oil required for boiler cleaning, normal initial boiler-burner setup and adjusting, and for performing the specified boiler tests will be furnished by the Government. Fuel required for prolonged boiler burner setup, adjustments, or modifications due to improper design or operation of boiler, burner, or control devices shall be furnished or reimbursed by the Contractor at Contractor's expense.

1.24 NEW TELEPHONE EQUIPMENT

A. NOT USED

1.25 TESTS

A. As per specification section 23 05 93 the contractor shall provide a written testing and commissioning plan complete with component level, equipment level, sub-system level and system level breakdowns. The plan will provide a schedule and a written sequence of what will be tested, how and what the expected outcome will be. This document will be submitted for approval prior to commencing work. The contractor shall document the results of the approved plan and submit for approval with the as built documentation.

B. Pre-test mechanical and electrical equipment and systems and make corrections required for proper operation of such systems before requesting final tests. Final test will not be conducted unless pre-tested.

C. Conduct final tests required in various sections of specifications in presence of an authorized representative of the Contracting Officer.

Contractor shall furnish all labor, materials, equipment, instruments, and forms, to conduct and record such tests.

D. Mechanical and electrical systems shall be balanced, controlled and coordinated. A system is defined as the entire system which must be coordinated to work together during normal operation to produce results for which the system is designed. For example, air conditioning supply air is only one part of entire system which provides comfort conditions for a building. Other related components are return air, exhaust air, steam, chilled water, refrigerant, hot water, controls and electricity, etc.

Another example of a system which involves several components of different disciplines is a boiler installation. Efficient and acceptable boiler operation depends upon the coordination and proper operation of fuel, combustion air, controls, steam, feedwater, condensate and other related components.

E. All related components as defined above shall be functioning when any system component is tested. Tests shall be completed within a reasonably period of time during which operating and environmental conditions remain reasonably constant and are typical of the design conditions.

F. Individual test result of any component, where required, will only be accepted when submitted with the test results of related components and of the entire system.

G. Conduct final tests required in various sections of the specifications in the presence of the Contracting Officers Representative or designated alternate. The Contractor shall provide all labor, materials, interments and forms to conduct and record such tests. Submit

ALL test results in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCTDATA AND SAMPLES.

1.26 INSTRUCTIONS

A. Contractor shall furnish Maintenance and Operating manuals (hard copies and electronic) and verbal instructions when required by the various sections of the specifications and as hereinafter specified.

B. Manuals: Maintenance and operating manuals and two compact disc (two hard copies and one electronic copy each) for each separate piece of equipment shall be delivered to the Contracting Officer’s Representative at contract closeout. Manuals shall be complete, detailed guides for the maintenance and operation of equipment. They shall include complete information necessary for starting, adjusting, maintaining in continuous operation for long periods of time and dismantling and reassembling of the complete units and sub-assembly components. Manuals shall include an index covering all component parts clearly cross-referenced to diagrams and illustrations. Illustrations shall include "exploded" views showing and identifying each separate item. Emphasis shall be placed on the use of special tools and instruments. The function of each piece of equipment, component, accessory and control shall be clearly and thoroughly explained. All necessary precautions for the operation of the equipment and the reason for each precaution shall be clearly set forth. Manuals must reference the exact model, style and size of the piece of equipment and system being furnished. Manuals referencing equipment similar to but of a different model, style, and size than that furnished will not be accepted.

C. Instructions: Contractor shall provide qualified, factory-trained manufacturers' representatives to give detailed training to assigned

Department of Veterans Affairs personnel in the operation and complete maintenance for each piece of equipment. All such training will be at the job site. These requirements are more specifically detailed in the various technical sections. Instructions for different items of equipment that are component parts of a complete system, shall be given in an integrated, progressive manner. All instructors for every piece of component equipment in a system shall be available until instructions for all items included in the system have been completed. This is to assure proper instruction in the operation of inter-related systems.